There are 51 students in Class Three, _____ failed in the test.
| A．all of which | B．all of them | C．none of whom | D．none of them |
It is sleeping late in the morning that ______being late for work.
| A．devotes to | B．sticks to | C．refers to | D．leads to |
—Can you work out the problem?—I can’t ______your explain how to do it.
| A．but for | B．except | C．apart from | D．unless |
It was_______ that they went for a drive in the countryside.
| A．such a fine weather | B．so fine a weather |
| C．such fine weather | D．so fine weather |
I don’t know the girl _______ in the storm.
| A．to catch | B．caught | C．catching | D．to be catching |
With the help of the foreign experts, they produced ___ washing machines in 2003 as the year before.
| A．as twice many | B．as twice as many | C．as many as twice | D．twice as many |